Skip to main content
NetApp Knowledge Base

MetroCluster down after power outage

Views:
156
Visibility:
Public
Votes:
0
Category:
metrocluster
Specialty:
metrocluster
Last Updated:

Applies to

  • MetroCluster IP
  • ONTAP 9

Issue

  • All of the nodes are shut down
  • The EMS log is flooded with scsi.cmd errors (command aborts):

Example:

ClusterA::> event log show -event *scsi.cmd*
Time                Node             Severity      Event
------------------- ---------------- ------------- ---------------------------
6/22/2022 11:45:33  ClusterA-02      ERROR         scsi.cmd.mcc.lunmgr.io.error: Disk device S/N 000000000000
- CDB 0x2a:036e8e20:0028 - (scsi error: reservation conflict) - Sense Data SCS I:no sense -  (0x0 - 0x0 0x0 0x0)(DT 3). 
(HA status 0x0) - (out_status_flags 0x4)
  • A large number of remote disks are failed
Example:

Plex /aggr1_A02/plex0 (offline, failed, inactive)
    RAID group /aggr1_A02/plex0/rg0 (partial, block checksums)

      RAID Disk Device          HA  SHELF BAY CHAN Pool Type  RPM  
      --------- ------          ------------- ---- ---- ---- ----- 
      dparity   0a.30.0         0a    30  0   SA:A   0  FSAS  7200 
      parity    0a.30.1         0a    30  1   SA:A   0  FSAS  7200 
      data      0a.30.2         0a    30  2   SA:A   0  FSAS  7200 
      data     FAILED                 N/A                        
      data      0a.30.4         0a    30  4   SA:A   0  FSAS  7200 
      data     FAILED                 N/A                        
      data      0a.30.6         0a    30  6   SA:A   0  FSAS  7200 
      data      0a.30.7         0a    30  7   SA:A   0  FSAS  7200 
      data      0a.30.8         0a    30  8   SA:A   0  FSAS  7200 
      data      0a.30.9         0a    30  9   SA:A   0  FSAS  7200 
      data     FAILED                 N/A                        
      Raid group is missing 3 disks
.

Sign in to view the entire content of this KB article.

New to NetApp?

Learn more about our award-winning Support

NetApp provides no representations or warranties regarding the accuracy or reliability or serviceability of any information or recommendations provided in this publication or with respect to any results that may be obtained by the use of the information or observance of any recommendations provided herein. The information in this document is distributed AS IS and the use of this information or the implementation of any recommendations or techniques herein is a customer's responsibility and depends on the customer's ability to evaluate and integrate them into the customer's operational environment. This document and the information contained herein may be used solely in connection with the NetApp products discussed in this document.